OTRO was built just like any typical skate park, by shaping a web of rebar reinforcing around excavated bowls and carefully adding concrete on top. In this case, a layer of primer and a coating of phosphorescent paint was added to achieve the stunning effect. Koo Jeong-A first came to the island in 2007 for an exhibition and, according to L’Escaut’s website, “had been impressed by the mysterious winter landscapes of the island and the atmosphere that arose from it…an unreal, phantasmagoric and powerful dreamscape belonging to the imaginary world of the artist.”